Tool rack



FIG. 1 is a perspective view of a tool rack;

FIG. 2 is a top plan view, the broken lines showing a pair of studs are for illustrative purposes only and form no part of the claimed invention;

FIG. 3 is a front view;

FIG. 4 is a back view; and,

FIG. 5 is a left side view, the right side being identical. 

I claim the ornamental design for a tool rack, as shown and described. 